STIGQter: STIG Summary: Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide Version: 3 Release: 2 Benchmark Date: 04 May 2021:

Nonadministrators must be prevented from applying vendor-signed updates.

DISA Rule

SV-226212r569184_rule

Vulnerability Number

V-226212

Group Title

SRG-OS-000362-GPOS-00149

Rule Version

WN12-CC-000118

Severity

CAT III

CCI(s)

• CCI-001812 - The information system prohibits user installation of software without explicit privileged status.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Installer -> "Prohibit non-administrators from applying vendor signed updates" to "Enabled".

Check Contents

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Policies\Microsoft\Windows\Installer\

Value Name: DisableLUAPatching

Type: REG_DWORD
Value: 1

Vulnerability Number

V-226212

Documentable

False

Rule Version

WN12-CC-000118

Severity Override Guidance

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Policies\Microsoft\Windows\Installer\

Value Name: DisableLUAPatching

Type: REG_DWORD
Value: 1

Check Content Reference

M

Target Key

4217

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